The Velocette Valiant was produced between 1957 and 1964, with only 1,600 units made. It had a four-stroke flat-twin cylinder engine with a capacity of 192cc and a compression ratio of 8.5:1, and was cooled by air. Lubrication was achieved by wet sump and the bike had 2 x Amal 363 monobloc carburettors. The twin exhaust had torpedo-shaped silencers and the ignition was powered by a coil with a 6V, 42W battery. The Valiant had a kick start and a maximum power of 8.8kW at 6000 rpm (from 1958, this was increased to 7000 rpm). The bike featured a dry, three-plate clutch and a four-speed constant mesh transmission with final drive by shaft. The frame was a duplex design with a single top tube and the bike had a wheelbase of 1300mm and a seat height of 737mm. The Valiant had 5 x 1” drum brakes front and rear, and spoked wheels with 3.25 x 18” tyres. The fuel tank had a capacity of 13.6L and the bike weighed 115.7kg. It was available in black and green and had a recommended top speed of 97km/h.
Technical specifications:
Make Model: Velocette Valiant
| Year | 1957 – 64 |
|---|---|
| Production | 1600 units |
| Engine | Four stroke, flat twin cylinder |
| Capacity | 192 cc / 11.7 cub in |
| Bore x Stroke | 50 x 49 mm |
| Compression Ratio | 8.5:1 |
| Cooling System | Air cooled |
| Lubrication | Wet sump |
| Carburetor | 2 x Amal 363 monobloc |
| Exhaust | Twin with torpedo shaped silencers |
| Ignition | Coil |
| Battery | 6V, 42W |
| Starting | Kick start |
| Max Power | 8.8 kW / 12 hp @ 6000 rpm (from 1958 @ 7000 rpm) |
| Clutch | Dry, three-plate |
| Transmission | 4 Speed constant mesh |
| Final Drive | Shaft |
| Gear Ratio | 1st 2.078 / 2nd 1.353 / 3rd 1.0 / 4th 0.739:1 |
| Frame | Duplex frame with single top tube |
| Wheelbase | 1300 mm / 51.2 in |
| Seat height | 737 mm / 29 in |
| Ground Clearance | 152 mm / 6 in |
| Front Suspension | Telescopic fork |
| Rear Suspension | Woodhead-Monroe springs with hydraulic damping |
| Front Brakes | 5 x 1″ drum |
| Rear Brakes | 5 x 1″ drum |
| Wheels | Spoked |
| Front Tyre | 3.25 x 18″ |
| Rear Tyre | 3.25 x 18″ |
| Fuel Capacity | 13.6 L / 3.6 US gal |
| Dry Weight | 115.7 kg / 255 lbs |
| Recommended Top Speed | 97 km/h / 60 mph |
| Colours | Black, green |
| Source | Rider Magazine |
